2 * Compact Disc Control Utility by Serge V. Vakulenko <vak@cronyx.ru>.
3 * Based on the non-X based CD player by Jean-Marc Zucconi and
6 * Fixed and further modified on 5-Sep-1995 by Jukka Ukkonen <jau@funet.fi>.
8 * 11-Sep-1995: Jukka A. Ukkonen <jau@funet.fi>
9 * A couple of further fixes to my own earlier "fixes".
11 * 18-Sep-1995: Jukka A. Ukkonen <jau@funet.fi>
12 * Added an ability to specify addresses relative to the
13 * beginning of a track. This is in fact a variation of
14 * doing the simple play_msf() call.
16 * 11-Oct-1995: Serge V.Vakulenko <vak@cronyx.ru>
17 * New eject algorithm.
18 * Some code style reformatting.
20 * $FreeBSD: src/usr.sbin/cdcontrol/cdcontrol.c,v 1.24.2.11 2002/11/20 00:26:19 njl Exp $
21 * $DragonFly: src/usr.sbin/cdcontrol/cdcontrol.c,v 1.11 2006/09/26 17:32:09 dillon Exp $
25 #include <sys/cdrio.h>
27 #include <sys/ioctl.h>
28 #include <sys/param.h>
43 #define ASTS_INVALID 0x00 /* Audio status byte not valid */
44 #define ASTS_PLAYING 0x11 /* Audio play operation in progress */
45 #define ASTS_PAUSED 0x12 /* Audio play operation paused */
46 #define ASTS_COMPLETED 0x13 /* Audio play operation successfully completed */
47 #define ASTS_ERROR 0x14 /* Audio play operation stopped due to error */
48 #define ASTS_VOID 0x15 /* No current audio status to return */
50 #ifndef DEFAULT_CD_DRIVE
51 # define DEFAULT_CD_DRIVE "/dev/cd0c"
54 #ifndef DEFAULT_CD_PARTITION
55 # define DEFAULT_CD_PARTITION "c"
74 #define CMD_PREVIOUS 17
76 #define STATUS_AUDIO 0x1
77 #define STATUS_MEDIA 0x2
78 #define STATUS_VOLUME 0x4
86 { CMD_CLOSE, "close", 1, "" },
87 { CMD_DEBUG, "debug", 1, "on | off" },
88 { CMD_EJECT, "eject", 1, "" },
89 { CMD_HELP, "?", 1, 0 },
90 { CMD_HELP, "help", 1, "" },
91 { CMD_INFO, "info", 1, "" },
92 { CMD_NEXT, "next", 1, "" },
93 { CMD_PAUSE, "pause", 2, "" },
94 { CMD_PLAY, "play", 1, "min1:sec1[.fram1] [min2:sec2[.fram2]]" },
95 { CMD_PLAY, "play", 1, "track1[.index1] [track2[.index2]]" },
96 { CMD_PLAY, "play", 1, "tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]" },
97 { CMD_PLAY, "play", 1, "[#block [len]]" },
98 { CMD_PREVIOUS, "previous", 2, "" },
99 { CMD_QUIT, "quit", 1, "" },
100 { CMD_QUIT, "exit", 1, "" },
101 { CMD_RESET, "reset", 4, "" },
102 { CMD_RESUME, "resume", 1, "" },
103 { CMD_SET, "set", 2, "msf | lba" },
104 { CMD_STATUS, "status", 1, "[audio | media | volume]" },
105 { CMD_STOP, "stop", 3, "" },
106 { CMD_VOLUME, "volume", 1,
107 "<l> <r> | left | right | mute | mono | stereo" },
108 { CMD_CDID, "cdid", 2, "" },
109 { CMD_SPEED, "speed", 2, "speed" },
113 struct cd_toc_entry toc_buffer[100];
120 int setvol(int, int);
121 int read_toc_entrys(int);
122 int play_msf(int, int, int, int, int, int);
123 int play_track(int, int, int, int);
124 int get_vol(int *, int *);
125 int status(int *, int *, int *, int *);
127 int next_prev(char *arg, int);
131 int pstatus(char *arg);
133 void prtrack(struct cd_toc_entry *e, int lastflag);
134 void lba2msf(unsigned long lba,
135 u_char *m, u_char *s, u_char *f);
136 unsigned int msf2lba(u_char m, u_char s, u_char f);
137 int play_blocks(int blk, int len);
138 int run(int cmd, char *arg);
139 char *parse(char *buf, int *cmd);
142 char *use_cdrom_instead(const char *);
143 const char *strstatus(int);
144 static u_int dbprog_discid(void);
145 const char *cdcontrol_prompt(void);
155 for (c=cmdtab; c->name; ++c) {
159 for (i = c->min, s = c->name; *s; s++, i--) {
167 printf (" %s", c->args);
170 printf ("\n\tThe word \"play\" is not required for the play commands.\n");
171 printf ("\tThe plain target address is taken as a synonym for play.\n");
177 fprintf (stderr, "usage: cdcontrol [-sv] [-f device] [command ...]\n");
182 use_cdrom_instead(const char *old_envvar)
186 device = getenv(old_envvar);
188 warnx("%s environment variable deprecated, "
189 "please use CDROM in the future.", old_envvar);
195 main(int argc, char **argv)
201 switch (getopt (argc, argv, "svhf:")) {
222 if (argc > 0 && ! strcasecmp (*argv, "help"))
226 cdname = getenv("CDROM");
230 cdname = use_cdrom_instead("MUSIC_CD");
232 cdname = use_cdrom_instead("CD_DRIVE");
234 cdname = use_cdrom_instead("DISC");
236 cdname = use_cdrom_instead("CDPLAY");
239 cdname = DEFAULT_CD_DRIVE;
240 warnx("no CD device name specified, defaulting to %s", cdname);
247 for (p=buf; argc-->0; ++argv) {
248 len = strlen (*argv);
250 if (p + len >= buf + sizeof (buf) - 1)
260 arg = parse (buf, &cmd);
261 return (run (cmd, arg));
265 verbose = isatty (0);
268 printf ("Compact Disc Control utility, version %s\n", VERSION);
269 printf ("Type `?' for command list\n\n");
274 if (run (cmd, arg) < 0) {
285 run(int cmd, char *arg)
296 if (fd < 0 && ! open_cd ())
302 if (fd < 0 && ! open_cd ())
308 if (fd < 0 && ! open_cd ())
311 return pstatus (arg);
315 if (fd < 0 && ! open_cd ())
318 while (isspace (*arg))
321 return next_prev (arg, cmd);
324 if (fd < 0 && ! open_cd ())
327 return ioctl (fd, CDIOCPAUSE);
330 if (fd < 0 && ! open_cd ())
333 return ioctl (fd, CDIOCRESUME);
336 if (fd < 0 && ! open_cd ())
339 rc = ioctl (fd, CDIOCSTOP);
341 ioctl (fd, CDIOCALLOW);
346 if (fd < 0 && ! open_cd ())
349 rc = ioctl (fd, CDIOCRESET);
357 if (fd < 0 && ! open_cd ())
360 if (! strcasecmp (arg, "on"))
361 return ioctl (fd, CDIOCSETDEBUG);
363 if (! strcasecmp (arg, "off"))
364 return ioctl (fd, CDIOCCLRDEBUG);
366 warnx("invalid command arguments");
371 if (fd < 0 && ! open_cd ())
374 ioctl (fd, CDIOCALLOW);
375 rc = ioctl (fd, CDIOCEJECT);
381 if (fd < 0 && ! open_cd ())
384 ioctl (fd, CDIOCALLOW);
385 rc = ioctl (fd, CDIOCCLOSE);
393 if (fd < 0 && ! open_cd ())
396 while (isspace (*arg))
402 if (! strcasecmp (arg, "msf"))
404 else if (! strcasecmp (arg, "lba"))
407 warnx("invalid command arguments");
411 if (fd < 0 && !open_cd ())
414 if (! strncasecmp (arg, "left", strlen(arg)))
415 return ioctl (fd, CDIOCSETLEFT);
417 if (! strncasecmp (arg, "right", strlen(arg)))
418 return ioctl (fd, CDIOCSETRIGHT);
420 if (! strncasecmp (arg, "mono", strlen(arg)))
421 return ioctl (fd, CDIOCSETMONO);
423 if (! strncasecmp (arg, "stereo", strlen(arg)))
424 return ioctl (fd, CDIOCSETSTERIO);
426 if (! strncasecmp (arg, "mute", strlen(arg)))
427 return ioctl (fd, CDIOCSETMUTE);
429 if (2 != sscanf (arg, "%d %d", &l, &r)) {
430 warnx("invalid command arguments");
434 return setvol (l, r);
437 if (fd < 0 && ! open_cd ())
441 if (strcasecmp("max", arg) == 0)
442 speed = CDR_MAX_SPEED;
444 speed = strtol(arg, NULL, 10) * 177;
445 if (speed <= 0 || speed > INT_MAX) {
446 warnx("invalid command arguments %s", arg);
449 return ioctl(fd, CDRIOCREADSPEED, &speed);
462 struct ioc_toc_header h;
464 int rc, start, end = 0, istart = 1, iend = 1;
466 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
471 n = h.ending_track - h.starting_track + 1;
472 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
477 if (! arg || ! *arg) {
478 /* Play the whole disc */
480 return play_blocks (0, msf2lba (toc_buffer[n].addr.msf.minute,
481 toc_buffer[n].addr.msf.second,
482 toc_buffer[n].addr.msf.frame));
484 return play_blocks (0, ntohl(toc_buffer[n].addr.lba));
487 if (strchr (arg, '#')) {
488 /* Play block #blk [ len ] */
491 if (2 != sscanf (arg, "#%d%d", &blk, &len) &&
492 1 != sscanf (arg, "#%d", &blk))
497 len = msf2lba (toc_buffer[n].addr.msf.minute,
498 toc_buffer[n].addr.msf.second,
499 toc_buffer[n].addr.msf.frame) - blk;
501 len = ntohl(toc_buffer[n].addr.lba) - blk;
503 return play_blocks (blk, len);
506 if (strchr (arg, ':')) {
508 * Play MSF m1:s1 [ .f1 ] [ m2:s2 [ .f2 ] ]
510 * Will now also undestand timed addresses relative
511 * to the beginning of a track in the form...
513 * tr1 m1:s1[.f1] [[tr2] [m2:s2[.f2]]]
516 unsigned m1, m2, s1, s2, f1, f2;
517 unsigned char tm, ts, tf;
519 tr2 = m2 = s2 = f2 = f1 = 0;
520 if (8 == sscanf (arg, "%d %d:%d.%d %d %d:%d.%d",
521 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2, &f2))
522 goto Play_Relative_Addresses;
524 tr2 = m2 = s2 = f2 = f1 = 0;
525 if (7 == sscanf (arg, "%d %d:%d %d %d:%d.%d",
526 &tr1, &m1, &s1, &tr2, &m2, &s2, &f2))
527 goto Play_Relative_Addresses;
529 tr2 = m2 = s2 = f2 = f1 = 0;
530 if (7 == sscanf (arg, "%d %d:%d.%d %d %d:%d",
531 &tr1, &m1, &s1, &f1, &tr2, &m2, &s2))
532 goto Play_Relative_Addresses;
534 tr2 = m2 = s2 = f2 = f1 = 0;
535 if (7 == sscanf (arg, "%d %d:%d.%d %d:%d.%d",
536 &tr1, &m1, &s1, &f1, &m2, &s2, &f2))
537 goto Play_Relative_Addresses;
539 tr2 = m2 = s2 = f2 = f1 = 0;
540 if (6 == sscanf (arg, "%d %d:%d.%d %d:%d",
541 &tr1, &m1, &s1, &f1, &m2, &s2))
542 goto Play_Relative_Addresses;
544 tr2 = m2 = s2 = f2 = f1 = 0;
545 if (6 == sscanf (arg, "%d %d:%d %d:%d.%d",
546 &tr1, &m1, &s1, &m2, &s2, &f2))
547 goto Play_Relative_Addresses;
549 tr2 = m2 = s2 = f2 = f1 = 0;
550 if (6 == sscanf (arg, "%d %d:%d.%d %d %d",
551 &tr1, &m1, &s1, &f1, &tr2, &m2))
552 goto Play_Relative_Addresses;
554 tr2 = m2 = s2 = f2 = f1 = 0;
555 if (5 == sscanf (arg, "%d %d:%d %d:%d", &tr1, &m1, &s1, &m2, &s2))
556 goto Play_Relative_Addresses;
558 tr2 = m2 = s2 = f2 = f1 = 0;
559 if (5 == sscanf (arg, "%d %d:%d %d %d",
560 &tr1, &m1, &s1, &tr2, &m2))
561 goto Play_Relative_Addresses;
563 tr2 = m2 = s2 = f2 = f1 = 0;
564 if (5 == sscanf (arg, "%d %d:%d.%d %d",
565 &tr1, &m1, &s1, &f1, &tr2))
566 goto Play_Relative_Addresses;
568 tr2 = m2 = s2 = f2 = f1 = 0;
569 if (4 == sscanf (arg, "%d %d:%d %d", &tr1, &m1, &s1, &tr2))
570 goto Play_Relative_Addresses;
572 tr2 = m2 = s2 = f2 = f1 = 0;
573 if (4 == sscanf (arg, "%d %d:%d.%d", &tr1, &m1, &s1, &f1))
574 goto Play_Relative_Addresses;
576 tr2 = m2 = s2 = f2 = f1 = 0;
577 if (3 == sscanf (arg, "%d %d:%d", &tr1, &m1, &s1))
578 goto Play_Relative_Addresses;
580 tr2 = m2 = s2 = f2 = f1 = 0;
581 goto Try_Absolute_Timed_Addresses;
583 Play_Relative_Addresses:
592 tm = toc_buffer[tr1].addr.msf.minute;
593 ts = toc_buffer[tr1].addr.msf.second;
594 tf = toc_buffer[tr1].addr.msf.frame;
596 lba2msf(ntohl(toc_buffer[tr1].addr.lba),
603 printf ("Track %d is not that long.\n", tr1 + 1);
622 if (m2 || s2 || f2) {
640 m2 = toc_buffer[n].addr.msf.minute;
641 s2 = toc_buffer[n].addr.msf.second;
642 f2 = toc_buffer[n].addr.msf.frame;
644 lba2msf(ntohl(toc_buffer[n].addr.lba),
651 } else if (tr2 > n) {
658 tm = toc_buffer[tr2].addr.msf.minute;
659 ts = toc_buffer[tr2].addr.msf.second;
660 tf = toc_buffer[tr2].addr.msf.frame;
662 lba2msf(ntohl(toc_buffer[tr2].addr.lba),
680 tm = toc_buffer[n].addr.msf.minute;
681 ts = toc_buffer[n].addr.msf.second;
682 tf = toc_buffer[n].addr.msf.frame;
684 lba2msf(ntohl(toc_buffer[n].addr.lba),
692 printf ("The playing time of the disc is not that long.\n");
695 return (play_msf (m1, s1, f1, m2, s2, f2));
697 Try_Absolute_Timed_Addresses:
698 if (6 != sscanf (arg, "%d:%d.%d%d:%d.%d",
699 &m1, &s1, &f1, &m2, &s2, &f2) &&
700 5 != sscanf (arg, "%d:%d.%d%d:%d", &m1, &s1, &f1, &m2, &s2) &&
701 5 != sscanf (arg, "%d:%d%d:%d.%d", &m1, &s1, &m2, &s2, &f2) &&
702 3 != sscanf (arg, "%d:%d.%d", &m1, &s1, &f1) &&
703 4 != sscanf (arg, "%d:%d%d:%d", &m1, &s1, &m2, &s2) &&
704 2 != sscanf (arg, "%d:%d", &m1, &s1))
709 m2 = toc_buffer[n].addr.msf.minute;
710 s2 = toc_buffer[n].addr.msf.second;
711 f2 = toc_buffer[n].addr.msf.frame;
713 lba2msf(ntohl(toc_buffer[n].addr.lba),
720 return play_msf (m1, s1, f1, m2, s2, f2);
724 * Play track trk1 [ .idx1 ] [ trk2 [ .idx2 ] ]
726 if (4 != sscanf (arg, "%d.%d%d.%d", &start, &istart, &end, &iend) &&
727 3 != sscanf (arg, "%d.%d%d", &start, &istart, &end) &&
728 3 != sscanf (arg, "%d%d.%d", &start, &end, &iend) &&
729 2 != sscanf (arg, "%d.%d", &start, &istart) &&
730 2 != sscanf (arg, "%d%d", &start, &end) &&
731 1 != sscanf (arg, "%d", &start))
736 return (play_track (start, istart, end, iend));
739 warnx("invalid command arguments");
744 next_prev(char *arg, int cmd)
746 struct ioc_toc_header h;
747 int dir, junk, n, off, rc, trk;
749 dir = (cmd == CMD_NEXT) ? 1 : -1;
750 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
754 n = h.ending_track - h.starting_track + 1;
755 rc = status (&trk, &junk, &junk, &junk);
760 if (sscanf (arg, "%u", &off) != 1) {
761 warnx("invalid command argument");
768 if (trk > h.ending_track)
771 return (play_track (trk, 1, n, 1));
778 case ASTS_INVALID: return ("invalid");
779 case ASTS_PLAYING: return ("playing");
780 case ASTS_PAUSED: return ("paused");
781 case ASTS_COMPLETED: return ("completed");
782 case ASTS_ERROR: return ("error");
783 case ASTS_VOID: return ("void");
784 default: return ("??");
792 struct ioc_read_subchannel ss;
793 struct cd_sub_channel_info data;
794 int rc, trk, m, s, f;
796 char *p, vmcn[(4 * 15) + 1];
798 while ((p = strtok(arg, " \t"))) {
800 if (!strncasecmp(p, "audio", strlen(p)))
801 what |= STATUS_AUDIO;
802 else if (!strncasecmp(p, "media", strlen(p)))
803 what |= STATUS_MEDIA;
804 else if (!strncasecmp(p, "volume", strlen(p)))
805 what |= STATUS_VOLUME;
807 warnx("invalid command arguments");
812 what = STATUS_AUDIO|STATUS_MEDIA|STATUS_VOLUME;
813 if (what & STATUS_AUDIO) {
814 rc = status (&trk, &m, &s, &f);
817 printf ("Audio status = %d<%s>, current track = %d, current position = %d:%02d.%02d\n",
818 rc, strstatus (rc), trk, m, s, f);
820 printf ("%d %d %d:%02d.%02d\n", rc, trk, m, s, f);
822 printf ("No current status info available\n");
824 if (what & STATUS_MEDIA) {
825 bzero (&ss, sizeof (ss));
827 ss.data_len = sizeof (data);
828 ss.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
829 ss.data_format = CD_MEDIA_CATALOG;
830 rc = ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &ss);
832 printf("Media catalog is %sactive",
833 ss.data->what.media_catalog.mc_valid ? "": "in");
834 if (ss.data->what.media_catalog.mc_valid &&
835 ss.data->what.media_catalog.mc_number[0])
837 strvisx (vmcn, ss.data->what.media_catalog.mc_number,
838 (sizeof (vmcn) - 1) / 4, VIS_OCTAL | VIS_NL);
839 printf(", number \"%.*s\"", (int)sizeof (vmcn), vmcn);
843 printf("No media catalog info available\n");
845 if (what & STATUS_VOLUME) {
846 rc = ioctl (fd, CDIOCGETVOL, &v);
849 printf ("Left volume = %d, right volume = %d\n",
852 printf ("%d %d\n", v.vol[0], v.vol[1]);
854 printf ("No volume level info available\n");
861 * Convert an integer to its text string representation, and
862 * compute its checksum. Used by dbprog_discid to derive the
866 * n - The integer value.
869 * The integer checksum.
878 /* For backward compatibility this algorithm must not change */
879 sprintf(buf, "%u", n);
880 for (p = buf; *p != '\0'; p++)
889 * Compute a magic disc ID based on the number of tracks,
890 * the length of each track, and a checksum of the string
891 * that represents the offset of each track.
894 * s - Pointer to the curstat_t structure.
897 * The integer disc ID.
902 struct ioc_toc_header h;
908 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
911 ntr = h.ending_track - h.starting_track + 1;
914 rc = read_toc_entrys ((ntr + 1) * sizeof (struct cd_toc_entry));
918 /* For backward compatibility this algorithm must not change */
919 for (i = 0; i < ntr; i++) {
920 #define TC_MM(a) toc_buffer[a].addr.msf.minute
921 #define TC_SS(a) toc_buffer[a].addr.msf.second
922 n += dbprog_sum((TC_MM(i) * 60) + TC_SS(i));
924 t += ((TC_MM(i+1) * 60) + TC_SS(i+1)) -
925 ((TC_MM(i) * 60) + TC_SS(i));
928 return((n % 0xff) << 24 | t << 8 | ntr);
936 id = dbprog_discid();
941 printf ("%08x\n",id);
947 info(char *arg __unused)
949 struct ioc_toc_header h;
952 rc = ioctl (fd, CDIOREADTOCHEADER, &h);
955 printf ("Starting track = %d, ending track = %d, TOC size = %d bytes\n",
956 h.starting_track, h.ending_track, h.len);
958 printf ("%d %d %d\n", h.starting_track,
959 h.ending_track, h.len);
961 warn("getting toc header");
965 n = h.ending_track - h.starting_track + 1;
966 rc = read_toc_entrys ((n + 1) * sizeof (struct cd_toc_entry));
971 printf ("track start duration block length type\n");
972 printf ("-------------------------------------------------\n");
975 for (i = 0; i < n; i++) {
976 printf ("%5d ", toc_buffer[i].track);
977 prtrack (toc_buffer + i, 0);
979 printf ("%5d ", toc_buffer[n].track);
980 prtrack (toc_buffer + n, 1);
985 lba2msf(unsigned long lba, u_char *m, u_char *s, u_char *f)
987 lba += 150; /* block start offset */
988 lba &= 0xffffff; /* negative lbas use only 24 bits */
989 *m = lba / (60 * 75);
996 msf2lba(u_char m, u_char s, u_char f)
998 return (((m * 60) + s) * 75 + f) - 150;
1002 prtrack(struct cd_toc_entry *e, int lastflag)
1004 int block, next, len;
1008 /* Print track start */
1009 printf ("%2d:%02d.%02d ", e->addr.msf.minute,
1010 e->addr.msf.second, e->addr.msf.frame);
1012 block = msf2lba (e->addr.msf.minute, e->addr.msf.second,
1015 block = ntohl(e->addr.lba);
1016 lba2msf(block, &m, &s, &f);
1017 /* Print track start */
1018 printf ("%2d:%02d.%02d ", m, s, f);
1021 /* Last track -- print block */
1022 printf (" - %6d - -\n", block);
1027 next = msf2lba (e[1].addr.msf.minute, e[1].addr.msf.second,
1028 e[1].addr.msf.frame);
1030 next = ntohl(e[1].addr.lba);
1032 /* Take into account a start offset time. */
1033 lba2msf (len - 150, &m, &s, &f);
1035 /* Print duration, block, length, type */
1036 printf ("%2d:%02d.%02d %6d %6d %5s\n", m, s, f, block, len,
1037 (e->control & 4) ? "data" : "audio");
1041 play_track(int tstart, int istart, int tend, int iend)
1043 struct ioc_play_track t;
1045 t.start_track = tstart;
1046 t.start_index = istart;
1050 return ioctl (fd, CDIOCPLAYTRACKS, &t);
1054 play_blocks(int blk, int len)
1056 struct ioc_play_blocks t;
1061 return ioctl (fd, CDIOCPLAYBLOCKS, &t);
1065 setvol(int left, int right)
1074 return ioctl (fd, CDIOCSETVOL, &v);
1078 read_toc_entrys(int len)
1080 struct ioc_read_toc_entry t;
1082 t.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1083 t.starting_track = 0;
1085 t.data = toc_buffer;
1087 return (ioctl (fd, CDIOREADTOCENTRYS, (char *) &t));
1091 play_msf(int start_m, int start_s, int start_f,
1092 int end_m, int end_s, int end_f)
1094 struct ioc_play_msf a;
1096 a.start_m = start_m;
1097 a.start_s = start_s;
1098 a.start_f = start_f;
1103 return ioctl (fd, CDIOCPLAYMSF, (char *) &a);
1107 status(int *trk, int *min, int *sec, int *frame)
1109 struct ioc_read_subchannel s;
1110 struct cd_sub_channel_info data;
1113 bzero (&s, sizeof (s));
1115 s.data_len = sizeof (data);
1116 s.address_format = msf ? CD_MSF_FORMAT : CD_LBA_FORMAT;
1117 s.data_format = CD_CURRENT_POSITION;
1119 if (ioctl (fd, CDIOCREADSUBCHANNEL, (char *) &s) < 0)
1122 *trk = s.data->what.position.track_number;
1124 *min = s.data->what.position.reladdr.msf.minute;
1125 *sec = s.data->what.position.reladdr.msf.second;
1126 *frame = s.data->what.position.reladdr.msf.frame;
1128 lba2msf(ntohl(s.data->what.position.reladdr.lba),
1135 return s.data->header.audio_status;
1139 cdcontrol_prompt(void)
1141 return ("cdcontrol> ");
1148 static EditLine *el = NULL;
1149 static History *hist = NULL;
1150 static HistEvent he;
1151 static char buf[MAXLINE];
1154 const char *bp = NULL;
1160 el = el_init("cdcontrol", stdin, stdout, stderr);
1161 hist = history_init();
1162 history(hist, &he, H_SETSIZE, 100);
1163 el_set(el, EL_HIST, history, hist);
1164 el_set(el, EL_EDITOR, "emacs");
1165 el_set(el, EL_PROMPT, cdcontrol_prompt);
1166 el_set(el, EL_SIGNAL, 1);
1167 el_source(el, NULL);
1169 if ((bp = el_gets(el, &num)) == NULL || num == 0) {
1171 fprintf (stderr, "\r\n");
1175 len = (num > MAXLINE) ? MAXLINE : num;
1176 memcpy(buf, bp, len);
1178 history(hist, &he, H_ENTER, bp);
1182 if (! fgets (buf, sizeof (buf), stdin)) {
1184 fprintf (stderr, "\r\n");
1188 p = parse (buf, cmd);
1194 parse(char *buf, int *cmd)
1200 for (p=buf; isspace (*p); p++)
1203 if (isdigit (*p) || (p[0] == '#' && isdigit (p[1]))) {
1206 } else if (*p == '+') {
1209 } else if (*p == '-') {
1210 *cmd = CMD_PREVIOUS;
1214 for (buf = p; *p && ! isspace (*p); p++)
1221 if (*p) { /* It must be a spacing character! */
1225 for (q=p; *q && *q != '\n' && *q != '\r'; q++)
1231 for (c=cmdtab; c->name; ++c) {
1232 /* Is it an exact match? */
1233 if (! strcasecmp (buf, c->name)) {
1238 /* Try short hand forms then... */
1239 if (len >= c->min && ! strncasecmp (buf, c->name, len)) {
1240 if (*cmd != -1 && *cmd != c->command) {
1241 warnx("ambiguous command");
1249 warnx("invalid command, enter ``help'' for commands");
1253 while (isspace (*p))
1261 char devbuf[MAXPATHLEN];
1266 if (*cdname == '/') {
1267 snprintf (devbuf, MAXPATHLEN, "%s", cdname);
1269 snprintf (devbuf, MAXPATHLEN, "%s%s", _PATH_DEV, cdname);
1272 fd = open (devbuf, O_RDONLY);
1274 if (fd < 0 && errno == ENOENT) {
1275 strcat (devbuf, DEFAULT_CD_PARTITION);
1276 fd = open (devbuf, O_RDONLY);
1280 if (errno == ENXIO) {
1281 /* ENXIO has an overloaded meaning here.
1282 * The original "Device not configured" should
1283 * be interpreted as "No disc in drive %s". */
1284 warnx("no disc in drive %s", devbuf);
1287 err(1, "%s", devbuf);